On some (con-)formal properties of Einstein's field equations and their consequences
2006 ◽
pp. 197-208
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Keyword(s):
Keyword(s):
2005 ◽
Vol 143
(2)
◽
pp. 720-740
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Keyword(s):
1965 ◽
Vol 6
(4)
◽
pp. 590-610
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